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Finding the Fourth Proportional to 352,533.72, 528,133.68 and 273,259.56

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Solution

The fourth proportional to 352,533.72, 528,133.68 and 273,259.56 is: 409,372.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,533.72 : 528,133.68 = 273,259.56 : x
  2. Step 2: Convert to fraction form
    352,533.72/528,133.68 = 273,259.56/x
  3. Step 3: Cross multiply
    352,533.72x = 528,133.68 × 273,259.56
  4. Step 4: Simplify right side
    352,533.72x = 144,317,577,017.98
  5. Step 5: Solve for x
    x = 144,317,577,017.98/352,533.72
  6. Step 6: Final answer
    x = 409,372.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.